3 |h + 12| = 21h absolute value show full work

asked Nov 15, 2023 145k views

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3 votes

Answer:

Explanation:

$3|h+12|=21h \\ \\ |h+12|=7h \\ \\ h+12=\pm 7h \\ \\ 12=h(-1 \pm 7) \\ \\ h=2, -1.5$

Of these, only h=2 satisfies the original equation.

Doug Watkins answered Nov 21, 2023

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